Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Salem, Salem-Leckrone Airport (KSLO)

Lat: 38.64°NLon: 88.96°WElev: 574ft.

Fair

73°F

23°C

Humidity 90%
Wind Speed NA
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Aug 9:15 pm CDT
Extended Forecast for

4 Miles SE Smithboro IL

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 62. Light northeast wind.

    Low: 62 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light west wind becoming northwest 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. North wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 62. Light northeast wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 83. Light and variable wind.
Friday Night
Partly cloudy, with a low around 66. Calm wind.
Saturday
Mostly sunny, with a high near 83. Light west wind becoming northwest 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 62. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Smithboro IL
 38.86°N 89.28°W (Elev. 499 ft)
9:21 pm CDT Aug 20, 2026
9pm CDT Aug 20, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database